*{
    padding:0;
    margin:0;
}
li{
    list-style: none;
    cursor: pointer;
}
.swiper-slide>div{
    width: 87%;
    margin:0 auto;
    /*height:1000px;*/
    overflow: hidden;
}
.swiper-slide>div h1{
    margin-top: 40px;
}

.swiper-slide:nth-child(1){
    background-color: yellowgreen;
}
.swiper-slide:nth-child(2){
    background-color: lightcoral;
}
.swiper-slide:nth-child(3){
    background: url("../images/dong.jpg");
    background-size: contain;
}
.swiper-slide:nth-child(3)>div{
     width: 500px;
     margin:0 auto;
     /*height:1000px;*/
     overflow: hidden;
 }
.swiper-slide:nth-child(4){
    background-color: lightgray;
}
.swiper-slide:nth-child(5){
    background-color: burlywood;
}
.swiper-slide:nth-child(6){
    background-color:#EAE7DE;
}



.teckShow{
    overflow: hidden;
    width: 0px;
    position: absolute;
    top:40%;
    right:30px;
    background-color: rgba(0,0,0,0.7);
    border-radius: 10px;
    transition:all 0.5s linear;
}
.teckShow ul li{
    width: 150px;
    height: 30px;
    margin-left: 25px;
    background-color: lightgray;
    border-radius: 10px;
    margin-top: 10px;
    font:bold 15px/30px "黑体";
    text-align: center;
}
.teckShow ul li:last-child{
    margin-bottom: 10px;
}
.teckShow ul li:first-child{
    width: 200px;
    margin-left: 0;
}